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Fix: Fixed a race condition in event_shutdown()

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This commit is contained in:
Philipp Schafft 2018-10-04 11:21:24 +00:00
parent f20dfcef63
commit 07899c4aab
1 changed files with 5 additions and 1 deletions
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6
src/event.c
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@ -209,6 +209,8 @@ void event_initialise(void) {
} }
void event_shutdown(void) { void event_shutdown(void) {
event_t *event_queue_to_free = NULL;
/* stop thread */ /* stop thread */
if (!event_running) if (!event_running)
return; return;
@ -223,10 +225,12 @@ void event_shutdown(void) {
/* shutdown everything */ /* shutdown everything */
thread_mutex_lock(&event_lock); thread_mutex_lock(&event_lock);
event_thread = NULL; event_thread = NULL;
event_release(event_queue); event_queue_to_free = event_queue;
event_queue = NULL; event_queue = NULL;
thread_mutex_unlock(&event_lock); thread_mutex_unlock(&event_lock);
event_release(event_queue_to_free);
/* destry mutex */ /* destry mutex */
thread_mutex_destroy(&event_lock); thread_mutex_destroy(&event_lock);
} }